[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-28 UTC."],[],[],null,["# Module chat_message_history (0.14.1)\n\nVersion latestkeyboard_arrow_down\n\n- [0.14.1 (latest)](/python/docs/reference/langchain-google-cloud-sql-pg/latest/langchain_google_cloud_sql_pg.chat_message_history)\n- [0.14.0](/python/docs/reference/langchain-google-cloud-sql-pg/0.14.0/langchain_google_cloud_sql_pg.chat_message_history)\n- [0.13.0](/python/docs/reference/langchain-google-cloud-sql-pg/0.13.0/langchain_google_cloud_sql_pg.chat_message_history)\n- [0.12.1](/python/docs/reference/langchain-google-cloud-sql-pg/0.12.1/langchain_google_cloud_sql_pg.chat_message_history)\n- [0.11.1](/python/docs/reference/langchain-google-cloud-sql-pg/0.11.1/langchain_google_cloud_sql_pg.chat_message_history)\n- [0.10.0](/python/docs/reference/langchain-google-cloud-sql-pg/0.10.0/langchain_google_cloud_sql_pg.chat_message_history)\n- [0.9.0](/python/docs/reference/langchain-google-cloud-sql-pg/0.9.0/langchain_google_cloud_sql_pg.chat_message_history)\n- [0.8.0](/python/docs/reference/langchain-google-cloud-sql-pg/0.8.0/langchain_google_cloud_sql_pg.chat_message_history)\n- [0.7.0](/python/docs/reference/langchain-google-cloud-sql-pg/0.7.0/langchain_google_cloud_sql_pg.chat_message_history)\n- [0.6.1](/python/docs/reference/langchain-google-cloud-sql-pg/0.6.1/langchain_google_cloud_sql_pg.chat_message_history)\n- [0.5.0](/python/docs/reference/langchain-google-cloud-sql-pg/0.5.0/langchain_google_cloud_sql_pg.chat_message_history)\n- [0.4.1](/python/docs/reference/langchain-google-cloud-sql-pg/0.4.1/langchain_google_cloud_sql_pg.chat_message_history) \nAPI documentation for `chat_message_history` module.\n\nClasses\n-------\n\n### [PostgresChatMessageHistory](/python/docs/reference/langchain-google-cloud-sql-pg/latest/langchain_google_cloud_sql_pg.chat_message_history.PostgresChatMessageHistory)\n\n PostgresChatMessageHistory(\n key: object,\n engine: langchain_google_cloud_sql_pg.engine.PostgresEngine,\n history: langchain_google_cloud_sql_pg.async_chat_message_history.AsyncPostgresChatMessageHistory,\n )\n\nChat message history stored in an Cloud SQL for PostgreSQL database."]]